Fountain pen



FIG. 1 is a front elevational view of a fountain pen showing my new design with the cap member in place;

FIG. 2 is a side elevational view of FIG. 1, the opposite side being a mirror image thereof;

FIG. 3 is a rear elevational view of FIG. 1;

FIG. 4 is a front elevational view of my design of FIG. 1 with the cap member in the stored position and the writing tip exposed;

FIG. 5 is a fragmentary view of the top of the cap;

FIG. 6 is a fragmentary view of the lower barrel and writing tip;

FIG. 7 is a front perspective view of the cap member shown separately for ease of illustration;

FIG. 8 is a front and side perspective view of FIG. 7;

FIG. 9 is a side perspective view of FIG. 7;

FIG. 10 is a side and rear perspective view of FIG. 7; and,

FIG. 11 is a rear perspective view of FIG. 7. 

The ornamental design for a fountain pen, as shown and described. 